import java.util.Scanner;

/**
 * @Version v1.0
 * @Description: TODO
 * @Author ZHANZHONGXIN
 * @Date 2022/5/6 11:19
 * @Copyright 博为峰
 */
public class IfElseIfDemo {
    public static void main(String[] args) {
        /*
           if(条件表达式1) {
              语句;
           }else if(条件表达式2) {
              语句;
           }
           ...
           }else{
              语句;
           }
        */

        //根据用户的输入，输出对应是周几
        Scanner scanner = new Scanner(System.in);
        String s = scanner.nextLine();
        int week = Integer.parseInt(s);

        if (week == 1) {
            System.out.println("周一");
        } else if (week == 2) {
            System.out.println("周二");
        } else if (week == 3) {
            System.out.println("周三");
        } else if (week == 4) {
            System.out.println("周四");
        } else if (week == 5) {
            System.out.println("周五");
        } else if (week == 6) {
            System.out.println("周六");
        } else if (week == 7) {
            System.out.println("周日");
        }

    }
}
